CN2716788Y

CN2716788Y - Capillary structure of heat pipe

Info

Publication number: CN2716788Y
Application number: CNU2004200778999U
Authority: CN
Inventors: 徐惠群
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-07-16
Filing date: 2004-07-16
Publication date: 2005-08-10
Anticipated expiration: 2014-07-16

Abstract

The utility model relates to a capillary structure of heat pipe, which is that a heat pipe is provided with capillary tissue used for conducting the heat. The capillary tissue is formed by knitting a plurality of fibers surrounding along the radical direction of the heat pipe and axially extending; wherein, the fibers surrounding at the radical direction of the heat pipe is thicker than that axially extending to the heat pipe. Thereby, the knitted capillary tissue of the knitting mesh can cause the capillary tissue to have good capillary force and adhesive ability.

Description

Heat tube capillary structure

Technical field

The utility model relates to a kind of heat tube capillary structure, relates in particular to a kind of heat tube capillary structure that has good capillary force and attaching property concurrently.

Background technology

It is a lot of to be used in heat conducting instrument now, wherein widely adopted with heat pipe especially, and as the basic module of heat heat loss through conduction.The most original operation principle of heat pipe in the past is: be filled with working fluid (working fluid) in the body that coats outside, the liquid phase of utilizing working fluid is to the variation between the gas phase, heat is conducted to the colling end of body by the heating end of body, make working fluid revert back to liquid phase to carry out heat exchange.Be provided with capillary structure (wickstructure) in body, this capillary structure can pass through its capillarity, liquid working fluid guiding is back to the heating end of body.So, constantly, can reach heat conducting purpose by absorb heat thermal cycle work with heat release of working fluid.

In the mesh grid capillary structure,, therefore made capillary structure be difficult to have concurrently the characteristics such as good attaching of good capillary force and opposite heat tube body thereof because the thickness size of its crisscross fiber is identical in the past.Thicker capillary structure fiber can't provide good capillary force, and thinner capillary structure fiber is not enough to the inboard wall of tube body face of stretching at heat pipe.

Given this, the design artificially improves and solves the defective that exists in the above-mentioned prior art, through concentrating on studies and cooperating the utilization of scientific principle, proposes a kind of reasonable in design and effectively improve the utility model of above-mentioned defective finally.

The content of utility model

Main purpose of the present utility model is to provide a kind of heat tube capillary structure, it is to make that to be looped around heat pipe capillary structure fiber radially thicker, and it is thinner along the axially extended capillary structure fiber of heat pipe, thus, weaving the mesh grid capillary structure that forms can make capillary structure have good capillary force and attaching property simultaneously concurrently.

To achieve the above object, the utility model provides a kind of heat tube capillary structure, and it is provided with in a heat pipe and is used for heat conducting capillary structure, and this capillary structure is for being formed around reaching axially extended fibrage by a plurality of radial loop along this heat pipe; Wherein, it is thicker than extending the axial fiber of this heat pipe to be looped around this heat pipe fiber radially.Thus, can realize above-mentioned purpose.

Heat tube capillary structure of the present utility model can have good capillary force and attaching property simultaneously, has solved the defective that exists in the prior art.

Brief description of drawings

Fig. 1 is the perspective exploded view of the utility model embodiment;

Fig. 2 is the expansion schematic diagram of the capillary structure of the utility model embodiment;

Fig. 3 is the partial enlarged drawing of A part among Fig. 2;

Fig. 4 is the sweeping generalized section of the pipe of the hot embodiment of the utility model;

Fig. 5 is the partial enlarged drawing of A part among Fig. 4;

Fig. 6 is the end view of flat for the heat pipe of the utility model embodiment;

Fig. 7 is the partial enlarged drawing of A part among Fig. 6.

In the accompanying drawing, the list of parts of each label representative is as follows:

The 1-heat pipe

10-body 11-capillary structure

110-radial fiber 111-axial direction fibre

The specific embodiment

In order to make those skilled in the art further understand feature of the present utility model and technology contents, see also following about detailed description of the present utility model and accompanying drawing, accompanying drawing only provide with reference to and usefulness is described, be not to be used for limiting the utility model.

Fig. 1 and Fig. 2 are respectively the expansion schematic diagram of perspective exploded view of the present utility model and capillary structure.The utility model provides a kind of heat tube capillary structure, and heat pipe 1 is provided with in its body 10 at least that one deck is used for heat conducting capillary structure (wick structure) 11.The mesh grid capillary structure that capillary structure 11 is made with the orthogonal plane weaving manner for a plurality of fibers 110,111, have along heat pipe 1 radial loop around fiber 110 and along the axially extended fiber 111 of heat pipe (as shown in Figure 3).The metal wire that each fiber 110,111 available heat conductibility good metal material is made generally mostly is copper, constitutes a copper mesh.

As shown in Figure 3, in capillary structure 11, it is thicker than extending the axial fiber 111 of heat pipe 1 to be looped around heat pipe 1 fiber 110 radially, thus, because the radial fiber 110 of capillary structure 11 is thicker, therefore can with axial direction fibre 111 stretchings of capillary structure 11 on the internal face of heat pipe 1 body 10, increase applying density.And because the axial direction fibre 111 of capillary structure 11 is thinner, then can make working fluid (the working fluid in the body 10 that is filled in heat pipe 1, not shown) improve it along the tube body of heat pipe 10 axial capillary forces that reflux, when working fluid reverts back to liquid phase state by gas phase, can accelerate its back-flow velocity because having preferable capillary force, the heat conduction efficiency of heat pipe 1 is improved.

In addition, as Fig. 4 and shown in Figure 5, when the body 10 of heat pipe 1 of the present utility model is case of bending, because the radius of curvature during general bend pipe is bigger, so thicker radial fiber 110 still can be adjacent on the internal face of the body 10 of heat pipe 1.As Figure 6 and Figure 7, when the body 10 of heat pipe 1 of the present utility model was flat, the bending curvature radius that forms owing to being squeezed this moment was less, so thinner axial direction fibre 111 can provide good attaching effect and can not peel off.

Therefore,, make heat pipe 1 under the state of rounded straight tube, can improve the attaching effect of its axial capillary force and capillary structure 11 and heat pipe 1 body 10 internal faces by heat tube capillary structure of the present utility model; And when heat pipe 1 body 10 is bending or flat, can be because of the radius of curvature in bend pipe and when extruding, make heat pipe 1 in post forming processing, still can guarantee the sealing property of capillary structure 11 and body 10 internal faces.

In sum, the utility model is real to be rare novel creation product, it can reach the application target of expection really, solve the defective that exists in the prior art, have novelty and creativeness, meet the requirement of utility application fully, file an application according to Patent Law, would like to ask detailed survey and authorize this case patent, to ensure designer's right.

The above only is a preferred embodiment of the present utility model, be not so promptly limit claim of the present utility model, the equivalent structure transformation that every utilization the utility model specification and accompanying drawing content are done, or directly or indirectly be used in other relevant technical field, all in like manner be included in the claim of the present utility model.

Claims

1. heat tube capillary structure, it is to be provided with to be used for heat conducting capillary structure in a heat pipe, described capillary structure for by a plurality of radial loop along described heat pipe around and axially extended fibrage form; It is characterized in that described to be looped around described heat pipe fiber radially thicker than extending the axial fiber of described heat pipe.

2. heat tube capillary structure as claimed in claim 1 is characterized in that the described axial direction fibre that radially reaches makes with orthogonal plane weaving manner braiding.

3. heat tube capillary structure as claimed in claim 1 is characterized in that describedly radially reaching axial fiber and making with copper product.